Will Trailer Suspension Hanger Kit APTT5 Work with Leaf Spring # e78SR

Question

Question:

Will the SP221275 6000lbs, 4 leaf springs work with the APTT5? I noticed it is not listed in the table, but the dimensions appear to match up with the APTT5. Thank you,

asked by: Craig S

1

Helpful Expert Reply:

Yes the leaf spring part # e78SR would work great with the hanger kit part # APTT5 that you referenced.

expert reply by: Jameson C

1

Answer 1

I have included a picture that shows the measurements needed for a spindle, bearings, seals, faces, and hubs. The spindle measurements are labeled A through F. A is the spindle shaft diameter B is where the grease seal sits C is where the inner…

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Answer 2

I advise measuring the two spindles that you have and making sure that the parts that you are wanting to interchange will be a compatible fit. I have included a photo that shows where where to take these measurements on your exiting spindles. These…

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Answer 3

The closest equalizers we carry to the dimensions you mentioned are 5-3/4 inches long and 2 inches tall like the part #TREQ104. The closest triple axle kit we have is the part #APTT3 which has equalizer that are 7-3/4 inches long. I know we spoke…

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Answer 4

Since we do not carry Timken bearings and there isn't a cross reference chart between their bearings and the bearings we carry the best, and easiest way to determine what spindle you have would be to use a micrometer to get the dimensions of the…

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Answer 5

Yes we do have a chart that shows how to space the axles of a triple axle trailer with a hanger kit like the #APTT5 that you referenced. I attached this chart for you to check out as well. The bottom section of the chart is for use with springs that…

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Answer 6

For the 9/16 inch diameter shackle bolts included in the Redline Triple-Axle Trailer Hanger Kit #APTT5 referenced in your question, you will want 65 to 95 foot pounds of torque. This kit can be used to attach 6 leaf springs to your trailer frame. I…

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Answer 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 9

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 10

For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and…

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Answer 11

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 12

The spring hanger placement is going to be determined by your axle spacing. For example, if your axles are spaced 33 inches apart, as shown in the attached diagram, a 7K axle slipper spring, like #e74SR, requires a distance of 28-1/2 inches between…

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Will Trailer Suspension Hanger Kit APTT5 Work with Leaf Spring # e78SR

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